ZIP code 54303: Green Bay, WI
ZIP code 54303 is in Green Bay (83% of residents) and Howard (17%), in Brown County, Wisconsin. It is in Wisconsin's 8th congressional district. Its state senate districts are State Senate District 30 (82%) and State Senate District 2 (18%); its state house districts are Assembly District 89 (73%), Assembly District 4 (18%) and Assembly District 90 (9.4%).
See it on the mapAll of Wisconsin
City and county
| City or town | Share of ZIP residents |
|---|---|
| Green Bay | 83% |
| Howard | 17% |
| County | Share of ZIP residents |
|---|---|
| Brown County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Green Bay city | 83% |
| Howard village | 17% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 8th congressional district (WI-08) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Eric Genrich | 83% | |
| U.S. Representative (WI-08) | Tony Wied (R) | 202-225-5665 | 100% |
| U.S. Senator | Ron Johnson (R) | 202-224-5323 · contact form | statewide |
| U.S. Senator | Tammy Baldwin (D) | 202-224-5653 · contact form | statewide |
| State Senator (State Senate District 30) | Jamie Wall (Democratic) | 82% | |
| State Senator (State Senate District 2) | Eric Wimberger (R) | 18% | |
| Assembly Member (Assembly District 89) | Ryan Spaude (Democratic) | 73% | |
| Assembly Member (Assembly District 4) | David Steffen (R) | 18% | |
| Assembly Member (Assembly District 90) | Amaad Rivera-Wagner (Democratic) | 9.4% |
From Wikidata (community-maintained); confirm on the city's website.
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0); Mayors: Wikidata (CC0).
Local government
- Green Bay laws: search for the Green Bay, Wisconsin code of ordinances
- Howard website: http://villageofhoward.com/
- Howard laws: search for the Howard, Wisconsin code of ordinances
- Brown County website: http://www.co.brown.wi.us
- Brown County laws: search for the Brown County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 30 | 82% |
| State Senate District 2 | 18% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 89 | 73% |
| Assembly District 4 | 18% |
| Assembly District 90 | 9.4% |
Voting precincts
24 voting precincts overlap ZIP 54303. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:54303")
ZIP 54303 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.